public class text2 {
    public static void main(String[] args){
        MyStack myStack=new MyStack();
        myStack.push(11);;
        myStack.push(23);
        myStack.push(34);
        System.out.println(myStack.pop());
        System.out.println(myStack.peek());
        System.out.println(myStack.empty());
    }
}
